Results 31 to 40 of about 361,014 (259)

Monozygotic twins discordant for homologous Robertsonian translocation trisomy 21 of 46, XX, + 21, der (21;21) (q10; q10) in a twin-to-twin transfusion syndrome, case report

open access: yesBMC Pregnancy and Childbirth, 2021
Background Monozygotic twins are nearly identical in genotype and phenotype because monozygotic twins arise from one fertilized oocyte. In all cases of discordant karyotype in monozygotic twins, trisomy 21 accounts for about one in 385,000.
Dingya Cao   +5 more
doaj   +1 more source

A core gut microbiome in obese and lean twins

open access: yesNature, 2008
The human distal gut harbours a vast ensemble of microbes (the microbiota) that provide important metabolic capabilities, including the ability to extract energy from otherwise indigestible dietary polysaccharides.
P. Turnbaugh   +14 more
semanticscholar   +1 more source

Methylomic analysis of monozygotic twins discordant for childhood psychotic symptoms

open access: yesEpigenetics, 2015
Childhood psychotic symptoms are associated with increased rates of schizophrenia, other psychiatric disorders, and suicide attempts in adulthood; thus, elucidating early risk indicators is crucial to target prevention efforts.
H. Fisher   +12 more
semanticscholar   +1 more source

Concordant Intestinal Atresia in Two Pairs of Monozygotic Twins

open access: yesAmerican Journal of Perinatology Reports, 2011
Intestinal atresia in both twins from the same pregnancy is very rare. Only seven pairs of twins have been described. The authors report on two cases of monozygotic twins with different types of intestinal atresia and clinical evolution.
Mario Giuffrè   +2 more
doaj   +1 more source

Discordant renal progression of Fabry disease in male monozygotic twins: a case report

open access: yesFrontiers in Genetics, 2023
Background: Fabry disease (FD) is a rare X-linked lysosomal storage disease caused by mutations in the GLA gene that encodes α-galactosidase A (α-GAL).
Do-Yun Lee   +7 more
doaj   +1 more source

Associations between birth size and later height from infancy through adulthood : an individual based pooled analysis of 28 twin cohorts participating in the CODATwins project [PDF]

open access: yes, 2018
Background: There is evidence that birth size is positively associated with height in later life, but it remains unclear whether this is explained by genetic factors or the intrauterine environment.
Abramson, Lior   +68 more
core   +6 more sources

Epigenetics of discordant monozygotic twins: implications for disease

open access: yesGenome Medicine, 2014
Monozygotic (MZ) twins share nearly all of their genetic variants and many similar environments before and after birth. However, they can also show phenotypic discordance for a wide range of traits.
J. Castillo-Fernandez   +2 more
semanticscholar   +1 more source

A Twin Study of Genetic Contributions to Hippocampal Morphology in Schizophrenia

open access: yesNeurobiology of Disease, 2002
Our goal was to establish whether altered hippocampal morphology represents a trait marker for genetic vulnerability in schizophrenia. We outlined the hippocampi on high-resolution MR images obtained from matched samples of control and discordant ...
Katherine L. Narr   +13 more
doaj   +1 more source

Indian twin registry: A gold mine for genetic studies

open access: yesAsian Journal of Medical Sciences, 2023
Twins are a source of curiosity, both for the family and the scientific community. Genetic similarities between twins have been the preferred choice to study the heritability of traits.
Ruby Dhar   +2 more
doaj   +1 more source

Stability of Gut Enterotypes in Korean Monozygotic Twins and Their Association with Biomarkers and Diet

open access: yesScientific Reports, 2014
Studies on the human gut microbiota have suggested that human individuals could be categorized into enterotypes based on the compositions of their gut microbial communities.
M. Lim   +5 more
semanticscholar   +1 more source

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